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libs/nixio: allow calls to nixio.util.consume() with no iterator given

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This commit is contained in:
Jo-Philipp Wich 2009-07-18 21:58:41 +00:00
parent 4bc6b85bb7
commit 6abba61632
1 changed files with 4 additions and 2 deletions
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6
libs/nixio/lua/nixio/util.lua
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@ -28,8 +28,10 @@ local ZBUG = uname.sysname == "Linux" and uname.release:sub(1, 3) == "2.4"
function consume(iter, append)
local tbl = append or {}
for obj in iter do
tbl[#tbl+1] = obj
if iter then
for obj in iter do
tbl[#tbl+1] = obj
end
end
return tbl
end